|
public GetTable ( string name ) : |
||
| name | string | The name of the table. |
| return | ||
private void OpenDB()
{
try
{
db = clients[client_index].GetDatabase(dbname);
}
catch (SDBPException)
{
db = clients[client_index].CreateDatabase(dbname);
}
db = Utils.GetOrCreateEmptyDatabase(clients[client_index], dbname);
try
{
indices = db.GetTable("indices");
}
catch (SDBPException)
{
indices = db.CreateTable("indices");
}
userIDs = indices.GetSequence("userIDs");
try
{
table = db.GetTable(tablename);
}
catch (SDBPException)
{
table = db.CreateTable(tablename);
}
try
{
tableByNick = db.GetTable(tablename + "ByNick");
}
catch (SDBPException)
{
tableByNick = db.CreateTable(tablename + "ByNick");
}
try
{
tableByBirth = db.GetTable(tablename + "ByBirth");
}
catch (SDBPException)
{
tableByBirth = db.CreateTable(tablename + "ByBirth");
}
try
{
tableByLastLogin = db.GetTable(tablename + "ByLastLogin");
}
catch (SDBPException)
{
tableByLastLogin = db.CreateTable(tablename + "ByLastLogin");
}
}
public static bool DBCompare(Database DB1, Database DB2)
{
bool res = true;
Table cmp_tbl;
byte[] cmp_val;
// DB1 -> DB2
// call the function vice versa too, to be sure in result
List <Table> tables = DB1.GetTables();
foreach (Table tbl in tables)
{
if (null == (cmp_tbl = DB2.GetTable(tbl.Name)))
{
Console.WriteLine(tbl.Name + " table is not in database " + DB2.Name);
res = false;
}
else
{
Console.WriteLine("Comparing table " + tbl.Name);
// check for table data
foreach (KeyValuePair <byte[], byte[]> kv in tbl.GetKeyValueIterator(new ByteRangeParams()))
{
cmp_val = cmp_tbl.Get(kv.Key);
if (null == cmp_val)
{
Console.WriteLine("Key \"" + kv.Key.ToString() + "\" is not in table " + tbl.Name);
res = false;
continue;
}
if (!Utils.ByteArraysEqual(kv.Value, cmp_val))
{
Console.WriteLine("Values for key \"" + kv.Key.ToString() + "\" doesn't match:");
Console.WriteLine(kv.Value.ToString());
Console.WriteLine(cmp_val.ToString());
res = false;
continue;
}
}
}
}
return(res);
}
public static Table GetOrCreateTableAndDatabase(Client client, string dbName, string tableName)
{
Database db = null;
try
{
db = client.GetDatabase(dbName);
}
catch (SDBPException e)
{
if (e.Status == Status.SDBP_BADSCHEMA)
{
db = client.CreateDatabase(dbName);
}
}
if (db == null)
{
return(null);
}
Table table = null;
try
{
table = db.GetTable(tableName);
}
catch (SDBPException e)
{
if (e.Status == Status.SDBP_BADSCHEMA)
{
table = db.CreateTable(tableName);
}
}
if (table == null)
{
table = db.CreateTable(tableName);
}
return(table);
}
public static void ThreadFunc()
{
//Client.SetTrace(true);
//Client.SetLogFile("d:/out.txt");
//string[] controllers = { "127.0.0.1:7080" };
string[] controllers = { "192.168.137.110:7080", "192.168.137.111:7080", "192.168.137.112:7080" };
Client client = new Client(controllers);
Quorum quorum = client.GetQuorum("test");
Database db = client.GetDatabase("test");
Table test = db.GetTable("test");
Table indices = db.GetTable("indices");
Sequence IDs = indices.GetSequence("IDs");
//System.Console.WriteLine("Thread.CurrentThread.ManagedThreadId = {0}", Thread.CurrentThread.ManagedThreadId);
System.Random random = new System.Random(Thread.CurrentThread.ManagedThreadId);
var value = "";
while (value.Length < 10 * 1000)
{
value += "" + random.Next();
}
//using (client.Transaction(quorum, "foo" + random.Next(100)))
//{
// System.Console.WriteLine("Transaction started.");
// for (var j = 0; j < 10*1000; j++)
// table.Set("" + j, value);
// client.CommitTransaction();
// System.Console.WriteLine("Transaction finished.");
//}
//return;
ulong ID;
//for (var i = 0; i < 1000; i++)
while (true)
{
if (random.Next(3) == 0)
{
try
{
System.Console.WriteLine("Batch started.");
for (var j = 0; j < 10; j++)
{
if (random.Next(2) == 0)
{
test.Set("" + random.Next(1000 * 1000), value);
}
else
{
test.Delete("" + random.Next(1000 * 1000));
}
}
//for (var j = 0; j < 10 * 1000; j++)
// ID = IDs.GetNext;
client.Submit();
System.Console.WriteLine("Batch finished.");
}
catch (SDBPException)
{
System.Console.WriteLine("Batch failed.");
}
continue;
}
//if (random.Next(2) == 0)
//{
// try
// {
// System.Console.WriteLine("List started.");
// var count = 0;
// foreach (KeyValuePair<string, string> kv in test.GetKeyValueIterator(new StringRangeParams().Prefix("1")))
// {
// count++;
// //System.Console.WriteLine(kv.Key + " => " + kv.Value);
// if (count == 10)
// break;
// }
// System.Console.WriteLine("List finished.");
// }
// catch (SDBPException)
// {
// System.Console.WriteLine("List failed.");
// // why does this happen
// }
// continue;
//}
while (true)
{
try
{
using (client.Transaction(quorum, "foo" + random.Next(100)))
{
System.Console.WriteLine("Transaction started.");
for (var j = 0; j < 10; j++)
{
if (random.Next(2) == 0)
{
test.Set("" + random.Next(1000 * 1000), value);
}
else
{
test.Delete("" + random.Next(1000 * 1000));
}
}
//for (var j = 0; j < 1000; j++)
// ID = IDs.GetNext;
if (random.Next(2) == 0)
{
client.CommitTransaction();
}
else
{
client.RollbackTransaction();
}
System.Console.WriteLine("Transaction finished.");
break;
}
}
catch (SDBPException)
{
//System.Console.WriteLine("Exception.");
System.Threading.Thread.Sleep(1);
}
}
}
}
private void OpenDB()
{
try
{
db = clients[client_index].GetDatabase(dbname);
}
catch (SDBPException)
{
db = clients[client_index].CreateDatabase(dbname);
}
db = Utils.GetOrCreateEmptyDatabase(clients[client_index], dbname);
try
{
indices = db.GetTable("indices");
}
catch (SDBPException)
{
indices = db.CreateTable("indices");
}
userIDs = indices.GetSequence("userIDs");
try
{
table = db.GetTable(tablename);
}
catch (SDBPException)
{
table = db.CreateTable(tablename);
}
try
{
tableByNick = db.GetTable(tablename + "ByNick");
}
catch (SDBPException)
{
tableByNick = db.CreateTable(tablename + "ByNick");
}
try
{
tableByBirth = db.GetTable(tablename + "ByBirth");
}
catch (SDBPException)
{
tableByBirth = db.CreateTable(tablename + "ByBirth");
}
try
{
tableByLastLogin = db.GetTable(tablename + "ByLastLogin");
}
catch (SDBPException)
{
tableByLastLogin = db.CreateTable(tablename + "ByLastLogin");
}
}